I know that an acceptable way to display (this is in a computer program) a full year/month/day date is like so:
2013年5月19日
What If I wanted to display the day only? Does the following look right, OK, or weird to native Japanese user? Is the 日 character required, optional, or undesirable in this case?
19日
In other words, would it look better if it was just the number?
19